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IMC Chicago

IMC Chicago Portfolio holdings

AUM $419B
1-Year Est. Return 72.04%
 

IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.

This Fund
S&P 500
This Quarter Est. Return
+37.99%
1 Year Est. Return
+72.04%
3 Year Est. Return
+250.38%
5 Year Est. Return
+244.63%
10 Year Est. Return
–
AUM
$419B
AUM Growth
+$140B
Cap. Flow
+$2.99B
Cap. Flow %
0.71%
Top 10 Hldgs %
33.71%
Holding
6,955
New
1,282
Increased
3,251
Reduced
1,751
Closed
653

Top Buys

Rank Stock Value
1
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$568M
2
AMZN icon
Amazon
AMZN
+$341M
3
EWY icon
iShares MSCI South Korea ETF
EWY
+$278M
4
AAPL icon
Apple
AAPL
+$239M
5
TSM icon
TSMC
TSM
+$215M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$316M
2
TSLA icon
Tesla
TSLA
+$253M
3
MU icon
Micron Technology
MU
+$178M
4
IBIT icon
iShares Bitcoin Trust
IBIT
+$176M
5
SNDK
Sandisk
SNDK
+$159M

Sector Composition

Rank Sector Weight
1 Miscellaneous 97.94%
2 Technology 0.92%
3 Consumer Discretionary 0.31%
4 Financials 0.17%
5 Communication Services 0.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RPG icon
6701
Invesco S&P 500 Pure Growth ETF
RPG
$1.94B
– –
-9,758
Closed -$456K
RSG icon
6702
Republic Services
RSG
$68.5B
– –
-3,617
Closed -$756K
RSPD icon
6703
Invesco S&P 500 Equal Weight Consumer Discretionary ETF
RSPD
$305M
– –
-8,974
Closed -$480K
RSPG icon
6704
Invesco S&P 500 Equal Weight Energy ETF
RSPG
$633M
– –
-3,380
Closed -$370K
RSPM icon
6705
Invesco S&P 500 Equal Weight Materials ETF
RSPM
$187M
– –
-6,915
Closed -$267K
RUSHA icon
6706
CALL
Rush Enterprises Class A
RUSHA
$5.88B
– –
-10,200
Closed -$450K
RVTY icon
6707
Revvity
RVTY
$14.5B
– –
-4,563
Closed -$439K
RXT icon
6708
Rackspace Technology
RXT
$818M
– –
-67,826
Closed -$264K
RYAM icon
6709
PUT
Rayonier Advanced Materials
RYAM
$582M
– –
-20,800
Closed -$230K
RYLD icon
6710
Global X Russell 2000 Covered Call ETF
RYLD
$1.39B
– –
-38,934
Closed -$582K
RYTM icon
6711
Rhythm Pharmaceuticals
RYTM
$7.12B
– –
-6,697
Closed -$606K
RZG icon
6712
Invesco S&P SmallCap 600 Pure Growth ETF
RZG
$130M
– –
-22,786
Closed -$1.3M
SAFE
6713
Safehold
SAFE
$1.07B
– –
-10,163
Closed -$138K
SAFE
6714
PUT
Safehold
SAFE
$1.07B
– –
-17,700
Closed -$239K
SAR icon
6715
CALL
Saratoga Investment
SAR
$282M
– –
-13,400
Closed -$293K
SATL icon
6716
Satellogic
SATL
$721M
– –
-24,608
Closed -$180K
SB icon
6717
CALL
Safe Bulkers
SB
$941M
– –
-16,000
Closed -$101K
SBH icon
6718
Sally Beauty Holdings
SBH
$1.56B
– –
-17,585
Closed -$244K
SBH icon
6719
PUT
Sally Beauty Holdings
SBH
$1.56B
– –
-47,400
Closed -$656K
SCDL
6720
DELISTED
ETRACS 2x Leveraged US Dividend Factor TR ETN
SCDL
– –
-5,499
Closed -$271K
SCM icon
6721
Stellus Capital Investment Corp
SCM
$251M
– –
-21,284
Closed -$196K
SCM icon
6722
PUT
Stellus Capital Investment Corp
SCM
$251M
– –
-22,300
Closed -$205K
SHOE
6723
PUT
Shoe Station Group
SHOE
$366M
– –
-11,500
Closed -$179K
SDP icon
6724
ProShares UltraShort Utilities
SDP
$4.4M
– –
-30,106
Closed -$643K
SFL icon
6725
SFL Corp
SFL
$1.78B
– –
-19,554
Closed -$222K
267 268
269
270 271

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IMC Chicago's Q2 2026 Portfolio in Review

As of Q2 2026, IMC Chicago held 6,955 positions worth $419B, up 50% from $278B the previous quarter. Its ten largest holdings account for 34% of the portfolio.

IMC Chicago's Q2 2026 filing shows 1,282 new, 3,251 increased, 1,751 reduced and 653 closed positions. Its largest new stake was Microsoft: 303,034 shares worth $113M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $316M.

By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.

  • IMC Chicago's largest Q2 2026 buy was Microsoft: 303,034 shares worth $113M.
  • IMC Chicago added most to State Street SPDR Dow Jones Industrial Average ETF Trust in Q2 2026, an estimated $568M increase.
  • IMC Chicago's biggest Q2 2026 reduction was Tesla, cutting an estimated $253M.
  • IMC Chicago fully exited State Street SPDR S&P 500 ETF Trust in Q2 2026, selling an estimated $316M.
  • IMC Chicago's ten largest holdings make up 34% of its $419B portfolio in Q2 2026.
  • IMC Chicago opened 1,282 new positions and closed 653 in Q2 2026.
  • IMC Chicago's portfolio value rose 50% quarter-over-quarter to $419B.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.